Home / 101,225.41-139,691.07-58,786.68

Finding the Fourth Proportional to 101,225.41, 139,691.07 and 58,786.68

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Solution

The fourth proportional to 101,225.41, 139,691.07 and 58,786.68 is: 81,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,225.41 : 139,691.07 = 58,786.68 : x
  2. Step 2: Convert to fraction form
    101,225.41/139,691.07 = 58,786.68/x
  3. Step 3: Cross multiply
    101,225.41x = 139,691.07 × 58,786.68
  4. Step 4: Simplify right side
    101,225.41x = 8,211,973,734.75
  5. Step 5: Solve for x
    x = 8,211,973,734.75/101,225.41
  6. Step 6: Final answer
    x = 81,125.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.